00458+5459 ES   43BC

Coord 2000	00458+5459		Discov num	ES   43		Comp	BC		Coord arcsec 2000	00 45 51.23 +54 58 40.8
Date first	1901		Date last	2013		Obs	12
Pa first	73		Pa last	67		P.A. Now (θ)	67°
Sep first	14.2		Sep last	16.2		Sep. Now (ρ)	16.2"
Mag pri	9.81		Mag sec	12.70		delta mag (ΔM)	2.89		Spectral class	F8V (yellow-white)
Pri motion ra	+002		Sec motion ra	-025
Pri motion dec	-004		Sec motion dec	+003
Notes	N W (See Notes, )

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		21682	00458+5459	ARG 2	AB	1901	2013	31	46	2.3	7.87	9.81	1.94
Show		21682	00458+5459	ARG 2	AC	1907	2013	17	66	16.0	7.87	12.70	4.83
Show		21682	00458+5459	WAL 9	AD	1917	2013	18	95	40.8	7.87	11.48	3.61
Show		21682	00458+5459	ES 43	BC	1901	2013	12	67	16.2	9.81	12.70	2.89		<===

Quadruple system
4 visible stars in this system

Constellation	Cassiopeia		SAO	21682		HIP	3589		Tycho2	3659-01376-1
HD	4277		BD	BD+54 144		Distance	52.52		Distance ly	171.32
last precise pa	66.9		last precise sep	16.16

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00458+5459	ES 43	BC	2006	9	69	13.7	9.00	12.80		D	004550.88+545840.3
00458+5459	ES 43	BC	2010	10	69	13.8	9.81	13.60		N D	004550.88+545840.3
00458+5459	ES 43	BC	2013	12	67	16.2	9.81	12.70		N	004550.88+545840.3

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